diff --git a/EKF/CMakeLists.txt b/EKF/CMakeLists.txt
index ecde1b4097..eb595a265a 100644
--- a/EKF/CMakeLists.txt
+++ b/EKF/CMakeLists.txt
@@ -102,11 +102,11 @@ if(PythonTests)
   find_package(PythonInterp 3 REQUIRED)
 
   # Check for required python packages
-  set(ECL_TEST_PYTHON_PACKAGES
-    pytest
-    hypothesis
-    numpy
-    )
+  file(READ "${CMAKE_SOURCE_DIR}/tests/pytest/requirements.txt" ECL_TEST_PYTHON_PACKAGES)
+  # Strip version information and split into cmake list
+  string(REGEX REPLACE "\n" ";" ECL_TEST_PYTHON_PACKAGES "${ECL_TEST_PYTHON_PACKAGES}")
+  string(REGEX REPLACE "-" "_" ECL_TEST_PYTHON_PACKAGES "${ECL_TEST_PYTHON_PACKAGES}")
+  string(REGEX REPLACE "[>=]+[^;]*" "" ECL_TEST_PYTHON_PACKAGES "${ECL_TEST_PYTHON_PACKAGES}")
 
   foreach(package ${ECL_TEST_PYTHON_PACKAGES})
     execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import ${package}" RESULT_VARIABLE PytestAvailable OUTPUT_QUIET ERROR_QUIET)
diff --git a/EKF/tests/pytest/requirements.txt b/EKF/tests/pytest/requirements.txt
new file mode 100644
index 0000000000..9a952d9960
--- /dev/null
+++ b/EKF/tests/pytest/requirements.txt
@@ -0,0 +1,6 @@
+pytest>=3.2.1
+hypothesis>=3.17.0
+numpy>=1.12.1
+matplotlib>=2.0.0
+seaborn>=0.7.1
+pytest-benchmark>=3.1.1